could you please answer question #8 (1-2)

Meals Tuition and fees Mileage to Airport and back 300 275 90 miles How much can Gregory deduct? Problem #82 points) In 2018, Melinda is employed at a local university and has wages of $55,000. Melinda also has a Schedule C business where she plays piano and sings at social events. She has net income from the Schedule C of $18,000. 1) What is Melinda's self-employment tax? 2) If Melinda's income had been $150,000 from the university, what would her self employment tax be